CONSHOHOCKEN, Pa., July 11 /PRNewswire-FirstCall/ -- Quaker Chemical
Corporation (NYSE: KWR) today announced the following schedule and contact
information for its second quarter 2005 earnings release and investor
conference:

     Earnings Release:  August 1, 2005 (after market close)
                        Visit Quaker Web site at http://www.quakerchem.com

     Teleconference:    August 2, 2005
                        2:30 p.m. (EDT)
                        Participate live via telephone or listen to live
                        audio Webcast through Quaker's Web site at
                        http://www.quakerchem.com

     Dial-in Number:    877-269-7756
                        Please call 5-10 minutes prior to the scheduled start
                        of call.  No password required.

     If unable to participate live, select from one of the following replay
     options:

     Phone Replay:      Available through Friday, August 5, 2005.
                        Call 877-660-6853 (toll free); Account 4022;
                        Replay Conference No. 160963.

     Archived Webcast:  Visit Quaker's Web site at http://www.quakerchem.com

Quaker Chemical Corporation, headquartered in Conshohocken, Pennsylvania, is a worldwide developer, producer, and marketer of custom-formulated chemical specialty products and a provider of chemical management services for manufacturers around the globe, primarily in the steel and automotive industries.

SOURCE  Quaker Chemical Corporation
    -0-                             07/11/2005
    /CONTACT:  Neal E. Murphy, Vice President and Chief Financial Officer,
Quaker Chemical Corporation, +1-610-832-4189/
    /Web site:  http://www.quakerchem.com /
    (KWR)

CO:  Quaker Chemical Corporation
ST:  Pennsylvania
IN:  CHM
SU:  CCA MAV

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3111 07/11/2005 12:54 EDT http://www.prnewswire.com